53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
SVG.Line = SVG.invent({
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// Initialize node
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create: 'line'
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// Inherit from
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, inherit: SVG.Shape
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// Add class methods
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, extend: {
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// Get array
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array: function() {
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return new SVG.PointArray([
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[ this.attr('x1'), this.attr('y1') ]
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, [ this.attr('x2'), this.attr('y2') ]
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])
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}
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// Overwrite native plot() method
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, plot: function(x1, y1, x2, y2) {
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if (x1 == null)
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return this.array()
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else if (typeof y1 !== 'undefined')
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x1 = { x1: x1, y1: y1, x2: x2, y2: y2 }
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else
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x1 = new SVG.PointArray(x1).toLine()
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return this.attr(x1)
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}
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// Move by left top corner
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, move: function(x, y) {
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return this.attr(this.array().move(x, y).toLine())
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}
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// Set element size to given width and height
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, size: function(width, height) {
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var p = proportionalSize(this, width, height)
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return this.attr(this.array().size(p.width, p.height).toLine())
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}
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}
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// Add parent method
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, construct: {
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// Create a line element
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line: function(x1, y1, x2, y2) {
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// make sure plot is called as a setter
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// x1 is not necessarily a number, it can also be an array, a string and a SVG.PointArray
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return SVG.Line.prototype.plot.apply(
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this.put(new SVG.Line)
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, x1 != null ? [x1, y1, x2, y2] : [0, 0, 0, 0]
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)
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}
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}
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})
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